diff --git a/assets/scss/_component-examples.scss b/assets/scss/_component-examples.scss
index cb9b54fb1d4f..f0a1bd8fd8df 100644
--- a/assets/scss/_component-examples.scss
+++ b/assets/scss/_component-examples.scss
@@ -118,7 +118,6 @@
   position: relative;
   padding: 1rem;
   margin: 1rem (-$grid-gutter-width / 2);
-  overflow: auto;
   border: solid #f7f7f9;
   border-width: .2rem 0 0;
   @include clearfix();
diff --git a/docs/4.0/components/buttons.md b/docs/4.0/components/buttons.md
index 6dfed7ddf2f5..b912ec89b289 100644
--- a/docs/4.0/components/buttons.md
+++ b/docs/4.0/components/buttons.md
@@ -125,27 +125,27 @@ Note that pre-checked buttons require you to manually add the `.active` class to
 {% example html %}
 <div class="btn-group btn-group-toggle" data-toggle="buttons">
   <label class="btn btn-secondary active">
-    <input type="checkbox" checked autocomplete="off"> Checkbox 1 (pre-checked)
+    <input type="checkbox" checked autocomplete="off"> Active
   </label>
   <label class="btn btn-secondary">
-    <input type="checkbox" autocomplete="off"> Checkbox 2
+    <input type="checkbox" autocomplete="off"> Check
   </label>
   <label class="btn btn-secondary">
-    <input type="checkbox" autocomplete="off"> Checkbox 3
+    <input type="checkbox" autocomplete="off"> Check
   </label>
 </div>
 {% endexample %}
 
 {% example html %}
-<div class="btn-group" data-toggle="buttons">
+<div class="btn-group btn-group-toggle" data-toggle="buttons">
   <label class="btn btn-secondary active">
-    <input type="radio" name="options" id="option1" autocomplete="off" checked> Radio 1 (preselected)
+    <input type="radio" name="options" id="option1" autocomplete="off" checked> Active
   </label>
   <label class="btn btn-secondary">
-    <input type="radio" name="options" id="option2" autocomplete="off"> Radio 2
+    <input type="radio" name="options" id="option2" autocomplete="off"> Radio
   </label>
   <label class="btn btn-secondary">
-    <input type="radio" name="options" id="option3" autocomplete="off"> Radio 3
+    <input type="radio" name="options" id="option3" autocomplete="off"> Radio
   </label>
 </div>
 {% endexample %}
diff --git a/docs/4.0/components/card.md b/docs/4.0/components/card.md
index af231903f758..0971e90c979a 100644
--- a/docs/4.0/components/card.md
+++ b/docs/4.0/components/card.md
@@ -17,7 +17,7 @@ Cards are built with as little markup and styles as possible, but still manage t
 Below is an example of a basic card with mixed content and a fixed width. Cards have no fixed width to start, so they'll naturally fill the full width of its parent element. This is easily customized with our various [sizing options](#sizing).
 
 {% example html %}
-<div class="card" style="width: 20rem;">
+<div class="card" style="width: 18rem;">
   <img class="card-img-top" data-src="holder.js/100px180/" alt="Card image cap">
   <div class="card-body">
     <h4 class="card-title">Card title</h4>
@@ -50,7 +50,7 @@ Card titles are used by adding `.card-title` to a `<h*>` tag. In the same way, l
 Subtitles are used by adding a `.card-subtitle` to a `<h*>` tag. If the `.card-title` and the `.card-subtitle` items are placed in a `.card-body` item, the card title and subtitle are aligned nicely.
 
 {% example html %}
-<div class="card" style="width: 20rem;">
+<div class="card" style="width: 18rem;">
   <div class="card-body">
     <h4 class="card-title">Card title</h4>
     <h6 class="card-subtitle mb-2 text-muted">Card subtitle</h6>
@@ -66,7 +66,7 @@ Subtitles are used by adding a `.card-subtitle` to a `<h*>` tag. If the `.card-t
 `.card-img-top` places an image to the top of the card. With `.card-text`, text can be added to the card. Text within `.card-text` can also be styled with the standard HTML tags.
 
 {% example html %}
-<div class="card" style="width: 20rem;">
+<div class="card" style="width: 18rem;">
   <img class="card-img-top" data-src="holder.js/100px180/?text=Image cap" alt="Card image cap">
   <div class="card-body">
     <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
@@ -79,7 +79,7 @@ Subtitles are used by adding a `.card-subtitle` to a `<h*>` tag. If the `.card-t
 Create lists of content in a card with a flush list group.
 
 {% example html %}
-<div class="card" style="width: 20rem;">
+<div class="card" style="width: 18rem;">
   <ul class="list-group list-group-flush">
     <li class="list-group-item">Cras justo odio</li>
     <li class="list-group-item">Dapibus ac facilisis in</li>
@@ -89,7 +89,7 @@ Create lists of content in a card with a flush list group.
 {% endexample %}
 
 {% example html %}
-<div class="card" style="width: 20rem;">
+<div class="card" style="width: 18rem;">
   <div class="card-header">
     Featured
   </div>
@@ -106,7 +106,7 @@ Create lists of content in a card with a flush list group.
 Mix and match multiple content types to create the card you need, or throw everything in there. Shown below are image styles, blocks, text styles, and a list group—all wrapped in a fixed-width card.
 
 {% example html %}
-<div class="card" style="width: 20rem;">
+<div class="card" style="width: 18rem;">
   <img class="card-img-top" data-src="holder.js/100px180/?text=Image cap" alt="Card image cap">
   <div class="card-body">
     <h4 class="card-title">Card title</h4>
@@ -242,7 +242,7 @@ Use our handful of [available sizing utilities]({{ site.baseurl }}/docs/{{ site.
 Use custom CSS in your stylesheets or as inline styles to set a width.
 
 {% example html %}
-<div class="card" style="width: 20rem;">
+<div class="card" style="width: 18rem;">
   <div class="card-body">
     <h4 class="card-title">Special title treatment</h4>
     <p class="card-text">With supporting text below as a natural lead-in to additional content.</p>
@@ -256,7 +256,7 @@ Use custom CSS in your stylesheets or as inline styles to set a width.
 You can quickly change the text alignment of any card—in its entirety or specific parts—with our [text align classes]({{ site.baseurl }}/docs/{{ site.docs_version }}/utilities/text/#text-alignment).
 
 {% example html %}
-<div class="card" style="width: 20rem;">
+<div class="card" style="width: 18rem;">
   <div class="card-body">
     <h4 class="card-title">Special title treatment</h4>
     <p class="card-text">With supporting text below as a natural lead-in to additional content.</p>
@@ -264,7 +264,7 @@ You can quickly change the text alignment of any card—in its entirety or speci
   </div>
 </div>
 
-<div class="card text-center" style="width: 20rem;">
+<div class="card text-center" style="width: 18rem;">
   <div class="card-body">
     <h4 class="card-title">Special title treatment</h4>
     <p class="card-text">With supporting text below as a natural lead-in to additional content.</p>
@@ -272,7 +272,7 @@ You can quickly change the text alignment of any card—in its entirety or speci
   </div>
 </div>
 
-<div class="card text-right" style="width: 20rem;">
+<div class="card text-right" style="width: 18rem;">
   <div class="card-body">
     <h4 class="card-title">Special title treatment</h4>
     <p class="card-text">With supporting text below as a natural lead-in to additional content.</p>
@@ -383,7 +383,7 @@ Use [text and background utilities]({{ site.baseurl }}/docs/{{ site.docs_version
 
 {% example html %}
 {% for color in site.data.theme-colors %}
-<div class="card{% unless color.name == "light" %} text-white{% endunless %} bg-{{ color.name }} mb-3" style="max-width: 20rem;">
+<div class="card{% unless color.name == "light" %} text-white{% endunless %} bg-{{ color.name }} mb-3" style="max-width: 18rem;">
   <div class="card-header">Header</div>
   <div class="card-body">
     <h4 class="card-title">{{ color.name | capitalize }} card title</h4>
@@ -401,7 +401,7 @@ Use [border utilities]({{ site.baseurl }}/docs/{{ site.docs_version }}/utilities
 
 {% example html %}
 {% for color in site.data.theme-colors %}
-<div class="card border-{{ color.name }} mb-3" style="max-width: 20rem;">
+<div class="card border-{{ color.name }} mb-3" style="max-width: 18rem;">
   <div class="card-header">Header</div>
   <div class="card-body{% unless color.name == "light" %} text-{{ color.name }}{% endunless %}">
     <h4 class="card-title">{{ color.name | capitalize }} card title</h4>
@@ -415,7 +415,7 @@ Use [border utilities]({{ site.baseurl }}/docs/{{ site.docs_version }}/utilities
 You can also change the borders on the card header and footer as needed, and even remove their `background-color` with `.bg-transparent`.
 
 {% example html %}
-<div class="card border-success mb-3" style="max-width: 20rem;">
+<div class="card border-success mb-3" style="max-width: 18rem;">
   <div class="card-header bg-transparent border-success">Header</div>
   <div class="card-body text-success">
     <h4 class="card-title">Success card title</h4>
diff --git a/docs/4.0/components/dropdowns.md b/docs/4.0/components/dropdowns.md
index b49e84f920eb..fd4132267c89 100644
--- a/docs/4.0/components/dropdowns.md
+++ b/docs/4.0/components/dropdowns.md
@@ -563,7 +563,7 @@ By default, a dropdown menu is automatically positioned 100% from the top and al
 {% example html %}
 <div class="btn-group">
   <button type="button" class="btn btn-secondary dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
-    This dropdown's menu is right-aligned
+    Right-aligned menu
   </button>
   <div class="dropdown-menu dropdown-menu-right">
     <button class="dropdown-item" type="button">Action</button>
diff --git a/docs/4.0/components/jumbotron.md b/docs/4.0/components/jumbotron.md
index 2d5278412997..7b506ccb4a2d 100644
--- a/docs/4.0/components/jumbotron.md
+++ b/docs/4.0/components/jumbotron.md
@@ -9,7 +9,7 @@ A lightweight, flexible component that can optionally extend the entire viewport
 
 {% example html %}
 <div class="jumbotron">
-  <h1 class="display-3">Hello, world!</h1>
+  <h1 class="display-4">Hello, world!</h1>
   <p class="lead">This is a simple hero unit, a simple jumbotron-style component for calling extra attention to featured content or information.</p>
   <hr class="my-4">
   <p>It uses utility classes for typography and spacing to space content out within the larger container.</p>
@@ -24,7 +24,7 @@ To make the jumbotron full width, and without rounded corners, add the `.jumbotr
 {% example html %}
 <div class="jumbotron jumbotron-fluid">
   <div class="container">
-    <h1 class="display-3">Fluid jumbotron</h1>
+    <h1 class="display-4">Fluid jumbotron</h1>
     <p class="lead">This is a modified jumbotron that occupies the entire horizontal space of its parent.</p>
   </div>
 </div>
diff --git a/docs/4.0/components/pagination.md b/docs/4.0/components/pagination.md
index 97bc84d931fd..ea82f879cc45 100644
--- a/docs/4.0/components/pagination.md
+++ b/docs/4.0/components/pagination.md
@@ -105,14 +105,10 @@ Fancy larger or smaller pagination? Add `.pagination-lg` or `.pagination-sm` for
 <nav aria-label="...">
   <ul class="pagination pagination-lg">
     <li class="page-item disabled">
-      <a class="page-link" href="#" tabindex="-1">Previous</a>
+      <a class="page-link" href="#" tabindex="-1">1</a>
     </li>
-    <li class="page-item"><a class="page-link" href="#">1</a></li>
     <li class="page-item"><a class="page-link" href="#">2</a></li>
     <li class="page-item"><a class="page-link" href="#">3</a></li>
-    <li class="page-item">
-      <a class="page-link" href="#">Next</a>
-    </li>
   </ul>
 </nav>
 {% endexample %}
@@ -121,14 +117,10 @@ Fancy larger or smaller pagination? Add `.pagination-lg` or `.pagination-sm` for
 <nav aria-label="...">
   <ul class="pagination pagination-sm">
     <li class="page-item disabled">
-      <a class="page-link" href="#" tabindex="-1">Previous</a>
+      <a class="page-link" href="#" tabindex="-1">1</a>
     </li>
-    <li class="page-item"><a class="page-link" href="#">1</a></li>
     <li class="page-item"><a class="page-link" href="#">2</a></li>
     <li class="page-item"><a class="page-link" href="#">3</a></li>
-    <li class="page-item">
-      <a class="page-link" href="#">Next</a>
-    </li>
   </ul>
 </nav>
 {% endexample %}
diff --git a/docs/4.0/content/tables.md b/docs/4.0/content/tables.md
index 865c2b6986eb..32089f435c92 100644
--- a/docs/4.0/content/tables.md
+++ b/docs/4.0/content/tables.md
@@ -17,9 +17,9 @@ Using the most basic table markup, here's how `.table`-based tables look in Boot
   <thead>
     <tr>
       <th scope="col">#</th>
-      <th scope="col">First Name</th>
-      <th scope="col">Last Name</th>
-      <th scope="col">Username</th>
+      <th scope="col">First</th>
+      <th scope="col">Last</th>
+      <th scope="col">Handle</th>
     </tr>
   </thead>
   <tbody>
@@ -52,9 +52,9 @@ You can also invert the colors—with light text on dark backgrounds—with `.ta
   <thead>
     <tr>
       <th scope="col">#</th>
-      <th scope="col">First Name</th>
-      <th scope="col">Last Name</th>
-      <th scope="col">Username</th>
+      <th scope="col">First</th>
+      <th scope="col">Last</th>
+      <th scope="col">Handle</th>
     </tr>
   </thead>
   <tbody>
@@ -89,9 +89,9 @@ Similar to tables and dark tables, use the modifier classes `.thead-light` or `.
   <thead class="thead-dark">
     <tr>
       <th scope="col">#</th>
-      <th scope="col">First Name</th>
-      <th scope="col">Last Name</th>
-      <th scope="col">Username</th>
+      <th scope="col">First</th>
+      <th scope="col">Last</th>
+      <th scope="col">Handle</th>
     </tr>
   </thead>
   <tbody>
@@ -120,9 +120,9 @@ Similar to tables and dark tables, use the modifier classes `.thead-light` or `.
   <thead class="thead-light">
     <tr>
       <th scope="col">#</th>
-      <th scope="col">First Name</th>
-      <th scope="col">Last Name</th>
-      <th scope="col">Username</th>
+      <th scope="col">First</th>
+      <th scope="col">Last</th>
+      <th scope="col">Handle</th>
     </tr>
   </thead>
   <tbody>
@@ -157,9 +157,9 @@ Use `.table-striped` to add zebra-striping to any table row within the `<tbody>`
   <thead>
     <tr>
       <th scope="col">#</th>
-      <th scope="col">First Name</th>
-      <th scope="col">Last Name</th>
-      <th scope="col">Username</th>
+      <th scope="col">First</th>
+      <th scope="col">Last</th>
+      <th scope="col">Handle</th>
     </tr>
   </thead>
   <tbody>
@@ -190,9 +190,9 @@ Use `.table-striped` to add zebra-striping to any table row within the `<tbody>`
   <thead>
     <tr>
       <th scope="col">#</th>
-      <th scope="col">First Name</th>
-      <th scope="col">Last Name</th>
-      <th scope="col">Username</th>
+      <th scope="col">First</th>
+      <th scope="col">Last</th>
+      <th scope="col">Handle</th>
     </tr>
   </thead>
   <tbody>
@@ -227,9 +227,9 @@ Add `.table-bordered` for borders on all sides of the table and cells.
   <thead>
     <tr>
       <th scope="col">#</th>
-      <th scope="col">First Name</th>
-      <th scope="col">Last Name</th>
-      <th scope="col">Username</th>
+      <th scope="col">First</th>
+      <th scope="col">Last</th>
+      <th scope="col">Handle</th>
     </tr>
   </thead>
   <tbody>
@@ -241,18 +241,12 @@ Add `.table-bordered` for borders on all sides of the table and cells.
     </tr>
     <tr>
       <th scope="row">2</th>
-      <td>Mark</td>
-      <td>Otto</td>
-      <td>@TwBootstrap</td>
-    </tr>
-    <tr>
-      <th scope="row">3</th>
       <td>Jacob</td>
       <td>Thornton</td>
       <td>@fat</td>
     </tr>
     <tr>
-      <th scope="row">4</th>
+      <th scope="row">3</th>
       <td colspan="2">Larry the Bird</td>
       <td>@twitter</td>
     </tr>
@@ -265,9 +259,9 @@ Add `.table-bordered` for borders on all sides of the table and cells.
   <thead>
     <tr>
       <th scope="col">#</th>
-      <th scope="col">First Name</th>
-      <th scope="col">Last Name</th>
-      <th scope="col">Username</th>
+      <th scope="col">First</th>
+      <th scope="col">Last</th>
+      <th scope="col">Handle</th>
     </tr>
   </thead>
   <tbody>
@@ -279,18 +273,12 @@ Add `.table-bordered` for borders on all sides of the table and cells.
     </tr>
     <tr>
       <th scope="row">2</th>
-      <td>Mark</td>
-      <td>Otto</td>
-      <td>@TwBootstrap</td>
-    </tr>
-    <tr>
-      <th scope="row">3</th>
       <td>Jacob</td>
       <td>Thornton</td>
       <td>@fat</td>
     </tr>
     <tr>
-      <th scope="row">4</th>
+      <th scope="row">3</th>
       <td colspan="2">Larry the Bird</td>
       <td>@twitter</td>
     </tr>
@@ -307,9 +295,9 @@ Add `.table-hover` to enable a hover state on table rows within a `<tbody>`.
   <thead>
     <tr>
       <th scope="col">#</th>
-      <th scope="col">First Name</th>
-      <th scope="col">Last Name</th>
-      <th scope="col">Username</th>
+      <th scope="col">First</th>
+      <th scope="col">Last</th>
+      <th scope="col">Handle</th>
     </tr>
   </thead>
   <tbody>
@@ -339,9 +327,9 @@ Add `.table-hover` to enable a hover state on table rows within a `<tbody>`.
   <thead>
     <tr>
       <th scope="col">#</th>
-      <th scope="col">First Name</th>
-      <th scope="col">Last Name</th>
-      <th scope="col">Username</th>
+      <th scope="col">First</th>
+      <th scope="col">Last</th>
+      <th scope="col">Handle</th>
     </tr>
   </thead>
   <tbody>
@@ -375,9 +363,9 @@ Add `.table-sm` to make tables more compact by cutting cell padding in half.
   <thead>
     <tr>
       <th scope="col">#</th>
-      <th scope="col">First Name</th>
-      <th scope="col">Last Name</th>
-      <th scope="col">Username</th>
+      <th scope="col">First</th>
+      <th scope="col">Last</th>
+      <th scope="col">Handle</th>
     </tr>
   </thead>
   <tbody>
@@ -407,9 +395,9 @@ Add `.table-sm` to make tables more compact by cutting cell padding in half.
   <thead>
     <tr>
       <th scope="col">#</th>
-      <th scope="col">First Name</th>
-      <th scope="col">Last Name</th>
-      <th scope="col">Username</th>
+      <th scope="col">First</th>
+      <th scope="col">Last</th>
+      <th scope="col">Handle</th>
     </tr>
   </thead>
   <tbody>
@@ -442,32 +430,28 @@ Use contextual classes to color table rows or individual cells.
   <table class="table">
     <thead>
       <tr>
-        <th scope="col">Type</th>
-        <th scope="col">Column heading</th>
-        <th scope="col">Column heading</th>
-        <th scope="col">Column heading</th>
+        <th scope="col">Class</th>
+        <th scope="col">Heading</th>
+        <th scope="col">Heading</th>
       </tr>
     </thead>
     <tbody>
       <tr class="table-active">
         <th scope="row">Active</th>
-        <td>Column content</td>
-        <td>Column content</td>
-        <td>Column content</td>
+        <td>Cell</td>
+        <td>Cell</td>
       </tr>
       <tr>
         <th scope="row">Default</th>
-        <td>Column content</td>
-        <td>Column content</td>
-        <td>Column content</td>
+        <td>Cell</td>
+        <td>Cell</td>
       </tr>
 
       {% for color in site.data.theme-colors %}
       <tr class="table-{{ color.name }}">
         <th scope="row">{{ color.name | capitalize }}</th>
-        <td>Column content</td>
-        <td>Column content</td>
-        <td>Column content</td>
+        <td>Cell</td>
+        <td>Cell</td>
       </tr>{% endfor %}
     </tbody>
   </table>
@@ -494,65 +478,55 @@ Regular table background variants are not available with the dark table, however
     <thead>
       <tr>
         <th scope="col">#</th>
-        <th scope="col">Column heading</th>
-        <th scope="col">Column heading</th>
-        <th scope="col">Column heading</th>
+        <th scope="col">Heading</th>
+        <th scope="col">Heading</th>
       </tr>
     </thead>
     <tbody>
       <tr class="bg-primary">
         <th scope="row">1</th>
-        <td>Column content</td>
-        <td>Column content</td>
-        <td>Column content</td>
+        <td>Cell</td>
+        <td>Cell</td>
       </tr>
       <tr>
         <th scope="row">2</th>
-        <td>Column content</td>
-        <td>Column content</td>
-        <td>Column content</td>
+        <td>Cell</td>
+        <td>Cell</td>
       </tr>
       <tr class="bg-success">
         <th scope="row">3</th>
-        <td>Column content</td>
-        <td>Column content</td>
-        <td>Column content</td>
+        <td>Cell</td>
+        <td>Cell</td>
       </tr>
       <tr>
         <th scope="row">4</th>
-        <td>Column content</td>
-        <td>Column content</td>
-        <td>Column content</td>
+        <td>Cell</td>
+        <td>Cell</td>
       </tr>
       <tr class="bg-info">
         <th scope="row">5</th>
-        <td>Column content</td>
-        <td>Column content</td>
-        <td>Column content</td>
+        <td>Cell</td>
+        <td>Cell</td>
       </tr>
       <tr>
         <th scope="row">6</th>
-        <td>Column content</td>
-        <td>Column content</td>
-        <td>Column content</td>
+        <td>Cell</td>
+        <td>Cell</td>
       </tr>
       <tr class="bg-warning">
         <th scope="row">7</th>
-        <td>Column content</td>
-        <td>Column content</td>
-        <td>Column content</td>
+        <td>Cell</td>
+        <td>Cell</td>
       </tr>
       <tr>
         <th scope="row">8</th>
-        <td>Column content</td>
-        <td>Column content</td>
-        <td>Column content</td>
+        <td>Cell</td>
+        <td>Cell</td>
       </tr>
       <tr class="bg-danger">
         <th scope="row">9</th>
-        <td>Column content</td>
-        <td>Column content</td>
-        <td>Column content</td>
+        <td>Cell</td>
+        <td>Cell</td>
       </tr>
     </tbody>
   </table>
@@ -594,9 +568,9 @@ A `<caption>` functions like a heading for a table. It helps users with screen r
   <thead>
     <tr>
       <th scope="col">#</th>
-      <th scope="col">First Name</th>
-      <th scope="col">Last Name</th>
-      <th scope="col">Username</th>
+      <th scope="col">First</th>
+      <th scope="col">Last</th>
+      <th scope="col">Handle</th>
     </tr>
   </thead>
   <tbody>
diff --git a/docs/4.0/utilities/flex.md b/docs/4.0/utilities/flex.md
index 79a0e0618aec..441e4343de29 100644
--- a/docs/4.0/utilities/flex.md
+++ b/docs/4.0/utilities/flex.md
@@ -262,17 +262,7 @@ Vertically move one flex item to the top or bottom of a container by mixing `ali
 Change how flex items wrap in a flex container. Choose from no wrapping at all (the browser default) with `.flex-nowrap`, wrapping with `.flex-wrap`, or reverse wrapping with `.flex-wrap-reverse`.
 
 <div class="bd-example">
-  <div class="d-flex flex-nowrap bd-highlight">
-    <div class="p-2 bd-highlight">Flex item</div>
-    <div class="p-2 bd-highlight">Flex item</div>
-    <div class="p-2 bd-highlight">Flex item</div>
-    <div class="p-2 bd-highlight">Flex item</div>
-    <div class="p-2 bd-highlight">Flex item</div>
-    <div class="p-2 bd-highlight">Flex item</div>
-    <div class="p-2 bd-highlight">Flex item</div>
-    <div class="p-2 bd-highlight">Flex item</div>
-    <div class="p-2 bd-highlight">Flex item</div>
-    <div class="p-2 bd-highlight">Flex item</div>
+  <div class="d-flex flex-nowrap bd-highlight" style="width: 8rem;">
     <div class="p-2 bd-highlight">Flex item</div>
     <div class="p-2 bd-highlight">Flex item</div>
     <div class="p-2 bd-highlight">Flex item</div>
diff --git a/docs/4.0/utilities/text.md b/docs/4.0/utilities/text.md
index 69b2dee8c844..d8e27df6cca9 100644
--- a/docs/4.0/utilities/text.md
+++ b/docs/4.0/utilities/text.md
@@ -32,13 +32,8 @@ For left, right, and center alignment, responsive classes are available that use
 Prevent text from wrapping with a `.text-nowrap` class.
 
 {% example html %}
-<div class="row">
-  <div class="col-1 text-nowrap">
-    Curabitur blandit tempus ardua ridiculus sed magna.
-  </div>
-  <div class="col-11">
-    <img data-src="holder.js/50x50" alt="An image to show the text doesn't wrap">
-  </div>
+<div class="text-nowrap bd-highlight" style="width: 8rem;">
+  This text should overflow the parent.
 </div>
 {% endexample %}
 
diff --git a/scss/_code.scss b/scss/_code.scss
index a9fe624bc2b6..9de20fa0deea 100644
--- a/scss/_code.scss
+++ b/scss/_code.scss
@@ -8,24 +8,20 @@ samp {
 
 // Inline code
 code {
-  padding: $code-padding-y $code-padding-x;
   font-size: $code-font-size;
   color: $code-color;
-  background-color: $code-bg;
-  @include border-radius($border-radius);
+  word-break: break-word;
 
   // Streamline the style when inside anchors to avoid broken underline and more
   a > & {
-    padding: 0;
     color: inherit;
-    background-color: inherit;
   }
 }
 
 // User input typically entered via keyboard
 kbd {
-  padding: $code-padding-y $code-padding-x;
-  font-size: $code-font-size;
+  padding: $kbd-padding-y $kbd-padding-x;
+  font-size: $kbd-font-size;
   color: $kbd-color;
   background-color: $kbd-bg;
   @include border-radius($border-radius-sm);
@@ -47,11 +43,9 @@ pre {
 
   // Account for some code outputs that place code tags in pre tags
   code {
-    padding: 0;
     font-size: inherit;
     color: inherit;
-    background-color: transparent;
-    @include border-radius(0);
+    word-break: normal;
   }
 }
 
diff --git a/scss/_forms.scss b/scss/_forms.scss
index 72bde5784e03..b0954f8c2f49 100644
--- a/scss/_forms.scss
+++ b/scss/_forms.scss
@@ -76,6 +76,7 @@ select.form-control {
 .form-control-file,
 .form-control-range {
   display: block;
+  width: 100%;
 }
 
 
diff --git a/scss/_input-group.scss b/scss/_input-group.scss
index 82c6e0ee21ff..8ca2468e473c 100644
--- a/scss/_input-group.scss
+++ b/scss/_input-group.scss
@@ -41,6 +41,15 @@
   // Custom file inputs have more complex markup, thus requiring different
   // border-radius overrides.
   .custom-file {
+    display: flex;
+    align-items: center;
+    width: 100%;
+
+    .custom-file-input {
+      width: 100%;
+      min-width: 0;
+    }
+
     &:not(:first-child):not(:last-of-type) .custom-file-control,
     &:not(:first-child):not(:last-of-type) .custom-file-control::before { @include border-radius(0); }
     &:first-child .custom-file-control,
@@ -48,6 +57,10 @@
     &:last-of-type:not(:first-child) .custom-file-control,
     &:last-of-type:not(:first-child) .custom-file-control::before { @include border-left-radius(0); }
   }
+
+  .custom-select {
+    width: 100%;
+  }
 }
 
 
diff --git a/scss/_variables.scss b/scss/_variables.scss
index 8290c96fc08a..b51b99a3a113 100644
--- a/scss/_variables.scss
+++ b/scss/_variables.scss
@@ -865,12 +865,12 @@ $close-text-shadow:                 0 1px 0 $white !default;
 
 // Code
 
-$code-font-size:                    90% !default;
-$code-padding-y:                    .2rem !default;
-$code-padding-x:                    .4rem !default;
-$code-color:                        #bd4147 !default;
-$code-bg:                           $gray-100 !default;
+$code-font-size:                    87.5% !default;
+$code-color:                        $pink !default;
 
+$kbd-padding-y:                     .2rem !default;
+$kbd-padding-x:                     .4rem !default;
+$kbd-font-size:                     $code-font-size !default;
 $kbd-color:                         $white !default;
 $kbd-bg:                            $gray-900 !default;